Home / 56,892,140.38-78,511,360.44-30,786,655.24

Finding the Fourth Proportional to 56,892,140.38, 78,511,360.44 and 30,786,655.24

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Solution

The fourth proportional to 56,892,140.38, 78,511,360.44 and 30,786,655.24 is: 42,485,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,892,140.38 : 78,511,360.44 = 30,786,655.24 : x
  2. Step 2: Convert to fraction form
    56,892,140.38/78,511,360.44 = 30,786,655.24/x
  3. Step 3: Cross multiply
    56,892,140.38x = 78,511,360.44 × 30,786,655.24
  4. Step 4: Simplify right side
    56,892,140.38x = 2,417,102,186,289,654.50
  5. Step 5: Solve for x
    x = 2,417,102,186,289,654.50/56,892,140.38
  6. Step 6: Final answer
    x = 42,485,696.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.